{"id":232701,"date":"2018-11-22T07:01:47","date_gmt":"2018-11-22T06:01:47","guid":{"rendered":"http:\/\/www.travelreport.se\/?p=232701"},"modified":"2024-02-02T12:57:44","modified_gmt":"2024-02-02T12:57:44","slug":"flyg-utan-propeller-och-turbiner","status":"publish","type":"post","link":"https:\/\/www.travelreport.se\/en\/flyg-utan-propeller-och-turbiner\/","title":{"rendered":"Flyg utan propeller och turbiner"},"content":{"rendered":"

\"\"<\/a>
Foto:MIT<\/figcaption><\/figure>
\nForskare i USA har lyckats driva ett flygplan p\u00e5 ett helt nytt s\u00e4tt. <\/strong><\/p>\n

Planet har ingen propeller eller turbiner, utan drivs av ett elektriskt f\u00e4lt.<\/p>\n

Den h\u00e4r id\u00e9n har funnits i science fiction-v\u00e4rlden ganska l\u00e4nge. Men nu \u00e4r det f\u00f6rsta g\u00e5ngen man har f\u00e5tt ett s\u00e5dant plan att lyfta, om \u00e4n ett v\u00e4ldigt litet.<\/p>\n

En snurrande propeller eller turbin har hittills varit en avg\u00f6rande del i n\u00e4stan alla flygplan. Det skapar en dragkraft som g\u00f6r att planet r\u00f6r sig fram\u00e5t och kan lyfta. Om turbin och propeller saknas m\u00e5ste allts\u00e5 n\u00e5gonting annat driva planet fram\u00e5t.<\/p>\n

I tekniken som forskare vid MIT i Boston nu har anv\u00e4nt, \u00e4r det elektriskt laddade luftpartiklar som g\u00f6r jobbet.<\/p>\n

Ett elektriskt f\u00e4lt accelererar en del av alla partiklar som finns i luften. Det \u00e4r bara f\u00e5 partiklar men de blir j\u00e4ttesnabba och kolliderar med de \u00f6vriga luftpartiklarna. D\u00e5 skapas det en vind och d\u00e4rmed dragkraft. Man f\u00e5r allts\u00e5 en motor utan r\u00f6rliga delar som ocks\u00e5 \u00e4r v\u00e4ldigt tyst. Anders Forslund forskar kring flygplansteknik p\u00e5 Chalmers i G\u00f6teborg.<\/p>\n

\u2013 Det \u00e4r en j\u00e4ttesp\u00e4nnande artikel med j\u00e4ttesp\u00e4nnande resultat. Det \u00e4r inte varje dag man ser en helt ny typ av framdrift publiceras.<\/p>\n

F\u00f6r att skapa vinden kr\u00e4vs det ett v\u00e4ldigt starkt f\u00e4lt och det stora genombrottet \u00e4r egentligen att forskarna har lyckats skapa detta f\u00e4lt i sj\u00e4lva planet. Nu hade flygplanet i experimentet bara en vingbredd p\u00e5 fem meter och v\u00e4gde runt tv\u00e5 och ett halvt kilo. Det \u00e4r allts\u00e5 l\u00e5ngt ifr\u00e5n ett passagerarflygplan.<\/p>\n

\u00c4n s\u00e5 l\u00e4nge kr\u00e4vs det v\u00e4ldigt mycket energi f\u00f6r s\u00e5 pass lite effekt. Tekniken \u00e4r allts\u00e5 inte mogen \u00e4n. Men n\u00e4r man t\u00e4nker p\u00e5 till exempel dr\u00f6nare har den \u00e4nd\u00e5 potential, tycker Anders Forslund.<\/p>\n

\u2013 F\u00f6r obemannade plan s\u00e5 tror jag s\u00e4kert att man skulle kunna bygga prototyper som skulle kunna ha verkliga anv\u00e4ndningsomr\u00e5den inom en tio\u00e5rsperiod, s\u00e4ger han.<\/p>\n

Referens:
\nHaofeng Xu et al.: Flight an aeroplane with solid-state propulsion. https:\/\/www.nature.com\/articles\/s41586-018-0707-9<\/p>\n

K\u00e4lla;sverigesradio.se<\/p>","protected":false},"excerpt":{"rendered":"

Forskare i USA har lyckats driva ett flygplan p\u00e5 ett helt nytt s\u00e4tt. Planet har ingen propeller eller turbiner, utan drivs av ett elektriskt f\u00e4lt. Den h\u00e4r id\u00e9n har funnits i science fiction-v\u00e4rlden ganska l\u00e4nge. Men nu \u00e4r det f\u00f6rsta g\u00e5ngen man har f\u00e5tt ett s\u00e5dant plan att lyfta, om \u00e4n ett v\u00e4ldigt litet. En […]<\/p>\n","protected":false},"author":25,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[179],"tags":[85,2524],"class_list":["post-232701","post","type-post","status-publish","format-standard","hentry","category-flyg","tag-flyg","tag-mit"],"acf":[],"yoast_head":"\nFlyg utan propeller och turbiner – Travel Report<\/title>\n<meta name=\"description\" content=\"Flyg utan propeller och turbiner \u2013 L\u00e4s senaste nyheterna fr\u00e5n resebranschen p\u00e5 Travel Report.\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/www.travelreport.se\/en\/flyg-utan-propeller-och-turbiner\/\" \/>\n<meta property=\"og:locale\" content=\"en_GB\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Flyg utan propeller och 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